Opistognathus fossoris
Opistognathus fossoris
The Blackfin Jawfish (Opistognathus fossoris) is a small marine jawfish found in sandy bottoms of coral reefs. It is prized by aquarists for its burrowing behavior but is not a common sport fish.
Basic Information
Family
Opistognathidae
Max Size
9.4 cm
Habitat
marine
Depth Range
12-32m
Climate
tropical
Best Season
Warm months (May‑September)
Best Time
Early morning or late afternoon
Distribution
Select a map type to show distribution on the globe.
Fishing Tips for Opistognathus fossoris
- Use a light hand‑held rod and ultralight line to feel subtle bites
- Present small live bait such as shrimp or mysid near the substrate
- Target sandy patches where the fish builds its burrow
- Gentle lift‑and‑release technique to avoid tearing the fish from its burrow
Top Fishing Locations for Opistognathus fossoris
Great Barrier Reef
AustraliaWorld‑renowned reef system with abundant sand patches where Opistognathus fossoris burrows, accessible via many charter boats.
Best: June‑September
Raja Ampat Islands
IndonesiaRemote archipelago with pristine coral reefs; jawfish thrive in the sandy flats between reefs, ideal for dedicated anglers.
Best: April‑October
Palau – Rock Islands
PalauIconic limestone islands surrounded by clear lagoons; Opistognathus fossoris is common in the shallow sand‑bottoms.
Best: May‑September
Christmas Island
AustraliaIsolated Indian Ocean island with extensive reef flats; the species is very abundant during its peak season.
Best: November‑April
Sharm El Sheikh, Red Sea
EgyptPopular dive and fishing destination where Opistognathus fossoris frequents the sandy patches of the northern Red Sea reefs.
Best: October‑March
Baa Atoll, Maldives
MaldivesUNESCO biosphere reserve with abundant sandy lagoons; jawfish are regularly encountered by anglers targeting reef species.
Best: May‑October
Market Prices
Recommended Fishing Equipment for Opistognathus fossoris
Recommended Equipment
Best bait: Live shrimp or small crustaceans